WO2004084017A3 - A method and system for implementing digital rights management - Google Patents

A method and system for implementing digital rights management Download PDF

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Publication number
WO2004084017A3
WO2004084017A3 PCT/US2004/007257 US2004007257W WO2004084017A3 WO 2004084017 A3 WO2004084017 A3 WO 2004084017A3 US 2004007257 W US2004007257 W US 2004007257W WO 2004084017 A3 WO2004084017 A3 WO 2004084017A3
Authority
WO
WIPO (PCT)
Prior art keywords
rights management
digital rights
piece
content
implementing digital
Prior art date
Application number
PCT/US2004/007257
Other languages
French (fr)
Other versions
WO2004084017A2 (en
Inventor
Donald J Molaro
Original Assignee
Sony Electronics Inc
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Electronics Inc, Sony Corp filed Critical Sony Electronics Inc
Publication of WO2004084017A2 publication Critical patent/WO2004084017A2/en
Publication of WO2004084017A3 publication Critical patent/WO2004084017A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed

Abstract

A content license (302) is created that defines parameters for accessing a piece of digital content. A first logical expression in the content license defines a plurality of playback devices (120) that are authorized to access the piece of digital content. A second logical expression in the content license defines at least one time interval when the plurality of playback devices (120) are authorized to access the piece of digital content. The content license is (302) used to access the piece of digital content.
PCT/US2004/007257 2003-03-18 2004-03-09 A method and system for implementing digital rights management WO2004084017A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/391,718 2003-03-18
US10/391,718 US7278165B2 (en) 2003-03-18 2003-03-18 Method and system for implementing digital rights management

Publications (2)

Publication Number Publication Date
WO2004084017A2 WO2004084017A2 (en) 2004-09-30
WO2004084017A3 true WO2004084017A3 (en) 2005-01-27

Family

ID=32987744

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/007257 WO2004084017A2 (en) 2003-03-18 2004-03-09 A method and system for implementing digital rights management

Country Status (2)

Country Link
US (2) US7278165B2 (en)
WO (1) WO2004084017A2 (en)

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Publication number Publication date
WO2004084017A2 (en) 2004-09-30
US20070300310A1 (en) 2007-12-27
US20040187014A1 (en) 2004-09-23
US7278165B2 (en) 2007-10-02

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